rum·ble /ˈrʌmbəl/
  隆隆聲,轆轆聲(vi.)發隆隆聲,轆轆響(vt.)使隆隆響,低沈地說
  Rum·ble, v. t. To cause to pass through a rumble, or shaking machine. See Rumble, n., 4.
  ◄ ►
  Rum·ble v. i.
  1. To make a low, heavy, continued sound; as, the thunder rumbles at a distance.
     In the mean while the skies 'gan rumble sore.   --Surrey.
     The people cried and rombled up and down.   --Chaucer.
  2. To murmur; to ripple.
     To rumble gently down with murmur soft.   --Spenser.
  Rum·ble, n.
  1. A noisy report; rumor. [Obs.]
     Delighting ever in rumble that is new.   --Chaucer.
  2. A low, heavy, continuous sound like that made by heavy wagons or the reverberation of thunder; a confused noise; as, the rumble of a railroad train.
     Clamor and rumble, and ringing and clatter.   --Tennyson.
     Merged in the rumble of awakening day.   --H. James.
  3. A seat for servants, behind the body of a carriage.
     Kit, well wrapped, . . . was in the rumble behind.   --Dickens.
  4. A rotating cask or box in which small articles are smoothed or polished by friction against each other.
  rumble
       n 1: a loud low dull continuous noise; "they heard the rumbling
            of thunder" [syn: rumbling, grumble, grumbling]
       2: a servant's seat (or luggage compartment) in the rear of a
          carriage
       3: a fight between rival gangs of adolescents [syn: gang fight]
       v 1: make a low noise; "rumbling thunder" [syn: grumble]
       2: to utter or emit low dull rumbling sounds; "he grumbled a
          rude response"; "Stones grumbled down the cliff" [syn: grumble,
           growl]